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Rolls MS20c Owner's Manual

Splitter combiner isolator

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MS20c 1/8" (3.5mm) jack
• The MS20c 1/8" (3.5mm) Input is a balanced TRS input. This Input, however, may
be connected to an unbalanced signal source (Tip-Sleeve) such as a mixer output or
line-level instrument output, and the MS20c balanced outputs connected to a snake
or mixer's balanced input. NOTE: The Ring of the 1/8" jack MUST be connected to
the Sleeve, and the bottom XLR Output jack will have it's pin 3 grounded.
• The 1/8" jack may also be used as an unbalanced output
to the top XLR Input, the 1/8" jack may be connected via a Tip-Sleeve jack to an
unbalanced input.
• By referring to the diagram on the top of the MS20c, you can identify the signal
and grounding paths for all the jacks.
MS20b
Splitter Combiner Isolator
• Splits balanced XLR input, or 1/8" input to two balanced XLR
outputs
• Combines two balanced XLR signals to one XLR output.
NOTE: Will only pass phantom power to one microphone.
• One signal is transformer isolated from the other.
• Ground Lift switch for noise elimination
Rolls Corporation
Salt Lake City, UT
4/06
output. Connect a balanced signal
MS20c
Splitter
Combiner
Isolator
OWNERS MANUAL

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Summary of Contents for Rolls MS20c

  • Page 1 XLR Input, the 1/8" jack may be connected via a Tip-Sleeve jack to an unbalanced input. • By referring to the diagram on the top of the MS20c, you can identify the signal and grounding paths for all the jacks.
  • Page 2 Thank you for your purchase of the MS20c Splitter, Combiner, and bal- anced signal Isolator. This versatile unit will split a single balanced XLR signal into two isolated signals, combine two balanced XLR signals, along with a 1/8" (3.5mm) TRS signal together into a single output, or simply isolate a balanced line for buzz or hum elimination.